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Open Source

With its open-source core based on FreeBSD 5.0 and the Mach 3.0 microkernel, Mac OS X is the best Macintosh operating system ever for UNIX users. With built-in support for the X Window System, IPv6, Kerberos integration, and added POSIX, Linux, and System V API support, Mac OS X easily runs your favorite UNIX software. With a CUPS-based print and fax engine, plus a suite of command-line and Python interfaces to Apple's Quartz graphics, it is easy to develop full-featured PDF workflows. Mac OS X even automounts Macintosh, Windows, and UNIX file servers directly in the Finder. Read More...

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Building a Universal Binary Framework
from Open Source

You can migrate your makefile project over to a native Xcode project, to take advantage of Xcode features, as well as create a framework from your library. Read this article to learn how.

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Announcements about Open Source projects from Apple. (Moderated)


Notices about how to obtain modifications to Open Source projects from Apple. (Moderated)


Technical discussions about development on or with Darwin.


Technical discussion for Darwin hardware (IOKit) drivers.


Technical discussion on the Darwin Mach+BSD kernel.


Technical discussion on Darwin user-level software (e.g., commands and libraries.)


Information about installing or using Darwin.


Technical discussion for Darwin that is specific to the x86 platform.


Technical discussions about development on or with Darwin Streaming Server.


Technical discussions relating to the OpenPlay/NetSprocket Open Source Project.


Technical discussions relating to the HeaderDoc Open Source Project.


Technical discussion for the Common Data Security Architecture project.

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